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EP 2 714 415 A1

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(43) Date of publication: 09.04.2014 Bulletin 2014/15 (21) Application number: 12721553.1 (22) Date of filing: 21.05.2012

(51) International Patent Classification (IPC):  B41M 5/50(2006.01) B41M 5/42(2006.01) B41M 5/52(2006.01) (86) International application number: PCT/EP2012/059374 (87) International publication number: WO 2012/163711 (06.12.2012 Gazette 2012/49)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 03.06.2011 EP 11168651 10.06.2011 US 201161495453 P (71) Applicant: Omya International AG 4665 Oftringen (CH)	(72) Inventors: GANE, Patrick A. C. CH-4852 Rothrist (CH) RIDGWAY, Catherine Jean CH-4812 Mühlethal (CH) SCHENKER, Michel CH-4616 Kappel (CH) (74) Representative: Tiefbrunner, Vera  Maiwald Patentanwalts GmbH Elisenhof Elisenstrasse 3 80335 München 80335 München (DE)